Initial prices for Washington cap-and-trade emissions allowances will depend on whether the state joins the Western Climate Initiative, according to new analysis.

Sen. Reuven Carlyle, the architect of the nation’s second cap-and-trade law, said that he will leave the Washington Senate when his term expires next year.

A bill to cushion trade-exposed Washington manufacturers from the economic impact of the state’s cap-and-trade program is getting pushback.

Attendance was low at a hearing on a bill to allocate funds to deal with probable upcoming droughts in Wash., but participants were unanimous in their support.

Cap-and-trade is expected to yield Washington $500 million a year in revenue, according to the state agency charged with running the program.

A bill to regulate methane emissions from landfills drew praise and concerns during hearing of the Washington House Environment and Energy Committee.

Western states produced a whirlwind of climate initiatives last year, advancing numerous bills and regulations to reach net-zero emissions by 2050.

In its upcoming session, Washington lawmakers will likely set up millions in funding to deal with a probable drought in 2022.

Washington officials agree with Gov. Jay Inslee's views that state agencies must speed up efforts to reduce their internal GHG emissions.

Washington officials have begun the nuts-and-bolts rulemaking on three major climate change bills the state’s legislature passed in April.